Fluid purifying apparatus and method of purifying fluids

Details Fluid purifying apparatus and method of purifying fluids Fluid purifying apparatus and method of purifying fluids

1990-10-11

1991-11-19

Nilson, Robert G.

Fluid handling

Line condition change responsive valves

Direct response valves

1375195, 13753311, F16K 1504

Patent

active

050657917

ABSTRACT:
A check valve for a fluid conduit line including a spaced break in a fluid conducting line with a chamber defining sleeve connecting opposed ends of the broken fluid line, the chamber having a float fluid check valve disposed therein of a specific gravity lower that the specific gravity of the fluid in the line with opposed spaced ends of the broken line being contoured to remain open to the chamber when the float valve is urged thereagainst by line pressure.

REFERENCES:
patent: 1530827 (1925-03-01), Gunn
patent: 3799186 (1974-03-01), Bulin
patent: 4286573 (1981-09-01), Nickel
patent: 4633681 (1987-01-01), Webber

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